воскресенье, 28 июня 2020 г.

DIY Rubber Band Ornithopter - How to Make a Rubber Band Ornithopter


Hello ! In this video, we make it a butterfly shape​​ with the resources they dumped, Trash, Stuff around the house, and we took it for recycling. Rubber Ban...

Original article and pictures take https://en.wikibooks.org/wiki/Adventist_Youth_Honors_Answer_Book/Arts_and_Crafts/Airplane_Modeling site

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